CyberResearch PCIDIO 48H - Manual (Page 21)

Installation
• 13
2.6 Connector Pin Assignment
2.6.1 Pin Assignment of PCIDIO 24H/48H/96H
The I/O ports of PCIDIO 24H/48H/96H emulate the mode 0 configuration of
the 8255 general purpose programmable peripheral interface. The cards
come equipped with 50-pin male IDC connectors that interface with OPTO-
22. Figure 2.4 shows the circuits and pinout of PCIDIO 24H/48H/96H's
connectors (CN1~CN4) .
1
2
3
J P n
+12V
FUSE
1 2
3 4
5 6
7 8
9 1 0
11 1 2
13 1 4
15 1 6
17 1 8
19 2 0
21 2 2
23 2 4
25 2 6
27 2 8
29 3 0
31 3 2
33 3 4
35 3 6
37 3 8
39 4 0
41 4 2
43 4 4
45 4 6
47 4 8
49 5 0
CNn
HEADER 25X2
PnC7
PnC6
PnC5
PnC4
PnC3
PnC2
PnC1
PnC0
PnB7
PnB6
PnB5
PnB4
PnB3
PnB2
PnB1
PnB0
PnA7
PnA6
PnA5
PnA4
PnA3
FUSE
PnA2
PnA1
PnA0
+5V
Figure 2.6.1 pin assignments and pow er signals of PCIDIO 24H/48H/96H